A. At the toe
B. At the heel
C. Within the middle third of base
D. At centre of base
Related Mcqs:
- generally useful life of a reservoir is considered terminated when its -gross storage is reduced by _______________ of the design capacity of the reservoir?
A. 100%
B. 80%
C. 50% l
D. 20% - When reservoir is full on upstream side, the maximum stress comes upon__________________?
A. Top of dam
B. Bottom of dam
C. Face of dam
D. All are correct - Specific gravity of a liquid is defined as the ratio of its specific weight to that of pure water and standard temperature and pressure. Therefore specific gravity is equal to ___________________?
A. 1.0
B. 1.2
C. 1.5
D. 2.0 - The forces coming over the gravity dam is mainly resisted by ___________________?
A. Water pressure
B. Uplift pressure
C. Self weight of the dam
D. All the above - In case of silt deposition in the dam reservoir to dispose of the effectively ________________ be used?
A. Vortex pipes
B. Silt excluders
C. Silt ejectors
D. All are correct - The height from the top of the embankment to the normal water level in canal .Dam – Reservoir etc, which allows for small waves to splash without over flow is called___________________?
A. Free board
B. Free space
C. Free faced
D. Free end – - Sliding failure occurs in a solid gravity dam when____________________?
A. Resultant of all forces cuts the base of the dam out side the toe
B. Resultant of all forces cuts the base at the inner middle third point
C. Ratio of over turning moments exceeds than unity
D. Shear friction factor Is less than 1.5 - For an economical design of gravity dam, the shear friction factor causec compression strength should lie between____________________?
A. 1.5 to 4.0
B. 2.0 to 4.0
C. 2.5 to 4.5
D. 3 to 5 - The field capacity is the water retained by a saturated soil after free drainage of surplus water to the ground water table but the water retained by a saturated soil after being centrifuged by a centrifugal force of 1000 times that of gravity is called________________?
A. Soil moisture
B. Equivalent moisture
C. Field moisture
D. Available moisture - The most economical central angle of an arch dam is made at ___________________?
A. 123º
B. 133!
C. 143º
D. 153º
